Cancer incidence among patients with AS in Sweden 1965–95. Standardised incidence ratio (SIR) and corresponding 95% confidence interval. Cancers reported ⩾1 year after first admission with AS
| Diagnosis (ICD-7) | Observed cancers | SIR | 95% CI |
|---|---|---|---|
| Buccal cancer (140–148) | 9 | 1.11 | 0.51 to 2.11 |
| Cancer of digestive organs (150–159) | 67 | 0.96 | 0.74 to 1.21 |
| Respiratory cancer (160–164) | 34 | 1.05 | 0.73 to 1.47 |
| Breast cancer (170) | 20 | 0.92 | 0.56 to 1.42 |
| Cancer of female genital system (171–176) | 11 | 0.94 | 0.47 to 1.68 |
| Prostate cancer (177) | 55 | 1.02 | 0.77 to 1.33 |
| Testicular and other male cancer (178–179) | 3 | 0.87 | 0.18 to 2.53 |
| Kidney cancer (180) | 16 | 1.54 | 0.88 to 2.51 |
| Cancer of urinary organs (181) | 20 | 1.05 | 0.64 to 1.62 |
| Melanoma skin cancer (190) | 9 | 0.72 | 0.33 to 1.37 |
| Non-melanoma skin cancer (191) | 8 | 0.76 | 0.33 to 1.50 |
| Eye cancer (192) | 2 | 2.26 | 0.27 to 8.16 |
| Cancer of nervous system (193) | 14 | 1.34 | 0.73 to 2.24 |
| Thyroid cancer (194) | 2 | 0.83 | 0.11 to 3.23 |
| Endocrine cancer (195) | 9 | 1.73 | 0.79 to 3.20 |
| Bone cancer (196) | 2 | 3.64 | 0.44 to 13.2 |
| Connective tissue cancer (197) | 2 | 0.88 | 0.11 to 3.19 |
| Other cancers | 9 | 0.93 | 0.43 to 1.77 |
| Haematopoietic cancer (200–208) | 33 | 1.34 | 0.93 to 1.89 |
| All cancers | 325 | 1.05 | 0.94 to 1.17 |